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Nerve root compression in spondylolysis and spondylolisthesis
The Journal of Bone and Joint Surgery. British Volume
|August 1, 1986
Summary
Isthmic spondylolysis can cause nerve root compression due to associated intervertebral foramen stenosis. This study highlights the significance of foramen stenosis in spondylolysis and suggests surgical decompression guidelines.
Area of Science:
- Orthopedics
- Neurosurgery
- Anatomy
Background:
- Isthmic spondylolysis is a common spinal condition.
- Nerve root compression is a potential complication.
Purpose of the Study:
- To investigate the prevalence of intervertebral foramen stenosis in isthmic spondylolysis.
- To explore the role of foramen stenosis in nerve root compression.
- To provide anatomical guidelines for surgical decompression.
Main Methods:
- Examination of 34 bony specimens of isthmic spondylolysis.
- Assessment for stenosis of the intervertebral foramen.
Main Results:
- 32% of specimens showed stenosis of the intervertebral foramen.
- Intervertebral foramen stenosis was not emphasized in previous reports.
- This finding may be crucial in the etiology of nerve root compression.
Conclusions:
- Intervertebral foramen stenosis is a significant finding in isthmic spondylolysis.
- Foramen stenosis contributes to nerve root compression in spondylolysis and spondylolisthesis.
- Anatomical guidelines for surgical decompression are proposed.